Melanoma Clinical Trial
A Phase II Trial of PD-L1 Therapy Combined With Anti-VEGF Therapy in Unresectable or Metastatic Melanoma
This research study is studying a combination of two drugs that change the immune system and tumor as a possible treatment for metastatic or unresectable stage III or IV cutaneous melanoma.
The names of the study drugs involved in this study are:
The research study procedures include screening for eligibility, study treatment including evaluations, a biopsy, and follow up visits.
This research study is a Phase II clinical trial. Phase II clinical trials test the safety and effectiveness of an investigational drug to learn whether the drug works in treating a specific disease. "Investigational" means that the drug is being studied. The U.S. Food and Drug Administration (FDA) has not approved atezolizumab for this specific disease but it has been approved for other uses. The U.S. Food and Drug Administration (FDA) has not approved bevacizumab for this specific disease but it has been approved for other uses.
Atezolizumab and bevacizumab are types of immunotherapy. Immunotherapy works by encouraging the body's own immune system to attack the cancer cells and stop the growth of cancer. Atezolizumab and bevacizumab work by stopping various molecules on cancer cells and body cells from working against the immune system's natural fight against cancer.
Participants must have histologically or cytologically confirmed metastatic or unresectable stage III or IV cutaneous melanoma.
PD-L1 negative staining in at least one biopsy sample.
Age ≥ 18 years
ECOG performance status ≤ 2 (Karnofsky ≥60%, see Appendix A)
Participants may have received any number of prior therapies for treatment of their cutaneous melanoma, excluding prior treatment with anti-PD-L1 therapeutic antibodies or bevacizumab.
Participants must have measurable disease per RECIST v1.1.
Participants must have availability of a representative tumor specimen for exploratory biomarker research.
Participants must have normal organ and marrow function as defined below:
lymphocyte count ≥ 500/mcL
absolute neutrophil count ≥ 1,500/mcL without granulocyte colony-stimulating factor support
hemoglobin* ≥9 g/dL
serum bilirubin ≤1.5 x ULN with the following exception: participants with known Gilbert's Disease: serum bilirubin level ≤ 3x ULN
AST(SGOT)/ALT(SGPT) ≤2.5 × institutional ULN, with the following exceptions: Participants with documented liver metastases: AST and ALT ≤ 5 x ULN
alkaline phosphatase (ALP) ≤2.5 × institutional ULN, with the following exceptions:
participants with documented liver or bone metastases: ALP ≤ 5 x ULN
serum creatinine ≤ 1.5 x ULN OR creatinine clearance ≥ 60 mL/min/1.73 m2 for participants with creatinine levels above institutional normal.
serum albumin ≥ 2.5 g/dL
For participants not receiving therapeutic anticoagulation: INR or aPTT ≤1.5 ULN
Urine dipstick for proteinuria < 2+ (within 7 days prior to Cycle 1 Day 1). Participants discovered to have ≥ 2 + proteinuria on dipstick urinalysis at baseline should undergo a 24-hour urine collection and must demonstrate < 1 g of protein in 24 hours. Note: Participants cannot be transfused to meet this criterion
For women of childbearing potential: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive methods with a failure rate of < 1% per year during the treatment period and for 5 months after the last dose of atezolizumab, and 6 months after the last dose of bevacizumab.
Examples of contraceptive methods with a failure rate of < 1 % per year include bilateral tubal ligation, male sterilization, hormonal contraceptives that inhibit ovulation, hormone-releasing intrauterine devices, and copper intrauterine devices.
The reliability of sexual abstinence should be evaluated in relation to the duration of the clinical trial and the preferred and usual lifestyle of the patient. Periodic abstinence (e.g., calendar, ovulation, symptothermal, or postovulation methods) and withdrawal are not acceptable methods of contraception.
For men: agreement to remain abstinent (refrain from heterosexual intercourse) or use a condom, and agreement to refrain from donating sperm, as defined below: With female partners of childbearing potential or pregnant female partners, men must remain abstinent or use a condom during the treatment period and for 5 months after the last dose of atezolizumab and 6 months after the last dose of bevacizumab, to avoid exposing the embryo. Men must refrain from donating sperm during this same period. The reliability of sexual abstinence should be evaluated in relation to the duration of the clinical trial and the preferred and usual lifestyle of the patient. Periodic abstinence (e.g., calendar, ovulation, symptothermal, or postovulation methods) and withdrawal are not acceptable methods of contraception.
Ability to understand and the willingness to sign a written informed consent document.
Participants with symptomatic, untreated, or actively progressing CNS metastases will be excluded. If a participant has a known history of treated CNS lesions, they are eligible provided that all of the following criteria are met:
Measurable disease, per RECIST v1.1, must be present outside the CNS.
The participant has no history of intracranial hemorrhage or spinal cord hemorrhage.
Metastases are limited to the cerebellum or the supratentorial region (i.e., no metastases to the midbrain, pons, medulla, or spinal cord).
There is no evidence of interim progression between completion of CNS-directed therapy and the screening brain scan
The participant has not received stereotactic radiotherapy within 7 days prior to initiation of study treatment or whole-brain radiotherapy within 14 days prior to initiation of study treatment.
The participant has no ongoing requirement for corticosteroids as therapy for CNS disease. Anticonvulsant therapy at a stable dose is permitted. Asymptomatic patients with CNS metastases newly detected at screening are eligible for the study after receiving radiotherapy or surgery, with no need to repeat the screening brain scan.
History of leptomeningeal disease.
Uncontrolled tumor-related pain.
NOTE: Participants requiring pain medication must be on a stable regimen at study entry.
Symptomatic lesions amendable to palliative radiotherapy (e.g., bone metastases or metastases causing nerve impingement) should be treated prior to enrollment. Participants should be recovered from the effects of radiation. There is no required minimum recovery period.
Asymptomatic metastatic lesions that would likely cause functional deficits or intractable pain with further growth (e.g., epidural metastasis that is not currently associated with spinal cord compression) should be considered for loco-regional therapy if appropriate prior to enrollment.
History of allergic reactions attributed to compounds of similar chemical or biologic composition to atezolizumab and/or bevacizumab.
Uncontrolled or symptomatic hypercalcemia (> 1.5 mmol/L ionized calcium or calcium > 12 mg/dL or corrected serum calcium > ULN)
Active or history of autoimmune disease or immune deficiency, including, but not limited to, myasthenia gravis, myositis, autoimmune hepatitis, systemic lupus erythematosus, rheumatoid arthritis, inflammatory bowel disease, antiphospholipid antibody syndrome,Wegener granulomatosis, Sjögren's syndrome, Guillain-Barré syndrome, or multiple sclerosis with the following exceptions:
Patients with a history of autoimmune-related hypothyroidism who are on thyroid-replacement hormone are eligible for the study.
Patients with controlled Type 1 diabetes mellitus who are on an insulin regimen are eligible for the study.
Patients with eczema, psoriasis, lichen simplex chronicus, or vitiligo with dermatologic manifestations only (e.g., patients with psoriatic arthritis are excluded) are eligible for the study provided all of following conditions are met: Rash must cover <10% of body surface area, Disease is well controlled at baseline and requires only low-potency topical corticosteroids, No occurrence of acute exacerbations of the underlying condition requiring psoralen plus ultraviolet. A radiation, methotrexate,retinoids, biologic agents, oral calcineurin inhibitors, or high-potency or oral corticosteroids within the previous 12 months.
History of idiopathic pulmonary fibrosis, organizing pneumonia (e.g., bronchiolitis obliterans), drug-induced pneumonitis, or idiopathic pneumonitis, or evidence of active pneumonitis on screening chest computed tomography (CT) scan. History of radiation pneumonitis in the radiation field (fibrosis) is permitted.
Participants who test positive for HIV at time of screening are ineligible because of the increased risk of lethal infections when treated with marrow-suppressive therapy.
Active hepatitis B virus (HBV) infection (chronic or acute), defined as having a positive hepatitis B surface antigen (HBsAg) test at screening. Participants with a negative HBsAg test and a positive total hepatitis B core antibody (HBcAb) test at screening are eligible for the study.
Active hepatitis C virus (HCV) infection, defined as a positive HCV antibody test followed by a positive HCV RNA test at screening. The HCV RNA test will be performed only for participants who have a positive HCV antibody test.
Participants with active tuberculosis will be excluded.
Significant cardiovascular disease, such as a New York Heart Association Class II or greater cardiac disease, myocardial infarction, or cerebrovascular accident within 3 months prior to initiation of study treatment, unstable arrhythmia, or unstable angina.
Major surgical procedure other than for diagnosis within 4 weeks prior to initiation of study treatment, or anticipation of need for a major surgical procedure during the course of the study.
History of other malignancy within 2 years prior to screening, with the exception of those with a negligible risk of metastasis or death (e.g., 5-year OS of > 90%), such as adequately treated carcinoma in situ of the cervix, non-melanoma skin carcinoma, localized prostate cancer, ductal carcinoma in situ, or Stage I uterine cancer.
Severe infection within 4 weeks prior to initiation of study treatment, including, but not limited to, hospitalization for complications of infection, bacteremia, or severe pneumonia.
Treatment with therapeutic oral or IV antibiotics within 2 weeks prior to initiation of study treatment. Patients receiving prophylactic antibiotics (e.g., to prevent a urinary tract infection or chronic obstructive pulmonary disease exacerbation) are eligible for the study.
Any other disease, metabolic dysfunction, physical examination finding, or clinical laboratory finding that contraindicates the use of an investigational drug, may affect the interpretation of the results, or may render the patient at high risk from treatment complications.
Prior allogeneic stem cell or solid organ transplantation.
Treatment with a live, attenuated vaccine within 4 weeks prior to initiation of study treatment, or anticipation of need for such a vaccine during the course of the study or within 5 months after the last dose of atezolizumab.
Treatment with investigational therapy within 28 days prior to initiation of study treatment.
Prior treatment with bevacizumab or prior PD-L1 targeted therapy.
Treatment with systemic immunostimulatory agents (including, but not limited to,interferon and interleukin 2 [IL-2]) within 4 weeks or five half-lives of the drug (whichever is shorter) prior to initiation of study treatment.
Treatment with systemic immunosuppressive medication (including, but not limited to, corticosteroids, cyclophosphamide, azathioprine, methotrexate, thalidomide, and anti-TNF-α agents) within 2 weeks prior to initiation of study treatment, or anticipation of need for systemic immunosuppressive medication during the course of the study, with the following exceptions:
Patients who received acute, low-dose systemic immunosuppressant medication or a one-time pulse dose of systemic immunosuppressant medication (e.g. 48 hours of corticosteroids for a contrast allergy) are eligible for the study.
Patients on physiologic replacement doses of steroids less than 10mg daily prednisone equivalent are allowed. Higher replacement doses should be discussed with the overall PI to determine if patient can be included on the trial.
Patients who received mineralocorticoids (e.g., fludrocortisone), corticosteroids for chronic obstructive pulmonary disease (COPD) or asthma, or low-dose corticosteroids for orthostatic hypotension or adrenal insufficiency are eligible for the study.
History of severe allergic anaphylactic reactions to chimeric or humanized antibodies or fusion proteins.
Known hypersensitivity to Chinese hamster ovary cell products or to any component of the atezolizumab formulation.
Known allergy or hypersensitivity to any component of the bevacizumab formulation.
Inadequately controlled arterial hypertension (defined as systolic blood pressure [BP] > 150 mm Hg and/or diastolic BP >100 mmHg), based on an average of at least three BP readings at two or more sessions. Anti-hypertensive therapy to achieve these parameters is allowed.
History of hypertensive crisis or hypertensive encephalopathy.
Significant vascular disease (e.g., aortic aneurysm requiring surgical repair or recent peripheral arterial thrombosis) within 6 months prior to Cycle 1 Day 1.
History of hemoptysis (≥ 2.5 mL of bright red blood per episode) within 1 month prior to Cycle 1 Day 1.
Evidence of bleeding diathesis or significant coagulopathy (in the absence of therapeutic anticoagulation).
Current or recent (within 10 days of Cycle 1 Day 1) use of aspirin (> 325 mg/day) or current or recent treatment with dipyramidole, ticlopidine, clopidogrel, and cilostazol.
Current or recent (within 10 days prior to Cycle 1 Day 1) use of full-dose oral or parenteral anticoagulants or thrombolytic agents for therapeutic purpose (as opposed to prophylactic). Prophylactic anticoagulation for the patency of venous access devices is allowed provided the activity of the agent results in an INR < 1.5 x ULN and aPTT is within normal limits (according to the institutional standards) within 14 days prior to Cycle 1 Day 1. Prophylactic use of low-molecular weight heparin (LMWH) (i.e., enoxaparin 40 mg/day) is allowed. However, the use of direct oral anticoagulant therapies such as dabigatran (Pradaxa®) and rivaroxaban (Xarelto®) is not recommended due to bleeding risk.
History of abdominal or tracheoesophageal fistula, GI perforation, or intra-abdominal abscess within 6 months prior to Cycle 1 Day 1.
Evidence of abdominal free air that is not explained by paracentesis or recent surgical procedure.
Serious, non-healing or dehiscing wound, active ulcer, or untreated bone fracture.
Major surgical procedure within 4 weeks prior to Cycle 1 Day 1 or anticipation of need for a major surgical procedure during the study.
History of intra-abdominal inflammatory process within 6 months prior to Cycle 1 Day 1, including, but not limited to, peptic ulcer disease, diverticulitis, or colitis.
Chronic daily treatment with a non-steroidal anti-inflammatory drug (NSAID).
Pregnant or breastfeeding, or intending to become pregnant during the study or within 5 months after the last dose of atezolizumab and 6 months after the last dose of bevacizumab. Women of childbearing potential must have a negative serum pregnancy test result within 14 days prior to initiation of study treatment.
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